问题
单项选择题 A1型题
休克患者经补液后，血压仍低，中心静脉压不高，5～10分钟内经静脉注入等渗盐水250ml。如血压升高，而中心静脉压不变，提示（）
A.血容量过多
B.心功能不全
C.血容量不足
D.血管张力过高
E.以上均不是
答案
参考答案：C
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休克患者经补液后，血压仍低，中心静脉压不高，5～10分钟内经静脉注入等渗盐水250ml。如血压升高，而中心静脉压不变，提示（）
A.血容量过多
B.心功能不全
C.血容量不足
D.血管张力过高
E.以上均不是
参考答案：C
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| Last summer I was a volunteer (志愿者) at a shelter for the homeless, a place for homeless people to sleep at night. I wasn't working that summer and was 1 only two classes in summer school, so I had some 2 time. Three nights a week, I helped in the kitchen of the shelter along with four other volunteers. We planned and 3 for 45 people hot meals with vegetables, chicken, fish and fruit. The homeless people needed this good food because many of them usually didn't eat well. I enjoyed this volunteer work, making 4 with the four volunteers in the kitchen. One was a very nice elderly housewife, one a movie maker, another a young teacher and the other a college student, 5 me. I talked to a lot of the homeless people at the shelter. Their life stories filled me with sympathy (同情心). Some of them had 6 with alcohol (酒) or drugs, while others only had bad luck. One woman worked for almost 30 years for a small company, and then she lost her job. She looked for a new job, but couldn't find one, for she was too 7 . She could do nothing but sell her furniture-sofas, chairs, and tables 8 she could pay for her food. The woman went on job hunting, but she still couldn't find one. She had no money for her 9 and had to sleep in her car. Then she had to sell her car. Alone, 10 , and homeless, she finally came to the shelter. |
| ( )1. A. studying ( )2. A. full ( )3. A. ordered ( )4. A. decisions ( )5. A. as ( )6. A. habits ( )7. A. old ( )8. A. though ( )9. A. block ( )10. A. afraid | B. planning B. free B. bought B. wished B. like B. worries B. poor B. because B. family B. shy | C. holding C. part C. cooked C. friends C. except C. difficulties C. sick C. so that C. building C. shocked | D. taking D. long D. finished D. changes D. besides D. problems D. dull D. in case D. apartment D. mad |